47321903 has 8 divisors (see below), whose sum is σ = 49889280. Its totient is φ = 44819640.

The previous prime is 47321891. The next prime is 47321921. The reversal of 47321903 is 30912374.

47321903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47321903 - 2¹⁶ = 47256367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47321983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14783 + ... + 17696.

It is an arithmetic number, because the mean of its divisors is an integer number (6236160).

Almost surely, 2^47321903 is an apocalyptic number.

47321903 is a deficient number, since it is larger than the sum of its proper divisors (2567377).

47321903 is a wasteful number, since it uses less digits than its factorization.

47321903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32557.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 47321903 is about 6879.0917278373. The cubic root of 47321903 is about 361.7046291802.

The spelling of 47321903 in words is "forty-seven million, three hundred twenty-one thousand, nine hundred three".